# SDR HNAA2012081300912

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2012
- Submitted: August 20, 2012
- Operation: Air carrier
- Aircraft: N336EN
- Make and model: Dhav DHC8311
- Aircraft serial: 336
- Aircraft time: 45,456 hours, 52,653 cycles
- Engine: Pwa PW123
- System (JASC): [6123 · Propeller Feathering/Reversing](https://openairdocs.org/jasc/6123)
- Part: Electronic Unit
- Part number: 3014407
- Part serial: RT1644
- Condition: Failed
- Location: Autofeather
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2012081300912

## Discrepancy

ON TAKEOFF ROLL AUTO FEATHER DID NOT ARM.   R & R AUTOFEATHER ARM LIGHT RELAY AND NR 1 TSEU IAW MM 72-01-10. GROUND RAN IAW -8 RUNUP MANUAL.   ARMED AT 90 PERCENT TORQUE.  OPS CHECK GOOD.

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